AS6VA25616
®
Write cycle (over the operating range)11
Parameter
Symbol
tWC
tCW
tAW
tAS
Min
Max
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
12
Write cycle time
55
40
40
0
Chip select to write end
Address setup to write end
Address setup time
–
–
–
12
Write pulse width
tWP
tAH
tDW
tDH
35
0
–
Address hold from end of write
Data valid to write end
–
25
0
–
Data hold time
–
4, 5
4, 5
4, 5
Write enable to output in high Z
Output active from write end
UB/LB low to end of write
Shaded areas indicate preliminary information.
tWZ
tOW
tBW
0
20
–
5
35
–
Write waveform 1 (WE controlled)10,11
t
t
WC
Address
t
AH
CW
CS
t
BW
LB, UB
t
AW
t
t
AS
WP
WE
t
t
DH
DW
Data valid
D
IN
t
WZ
t
OW
D
Data undefined
OUT
High Z
Write waveform 2 (CS controlled)10,11
t
WC
Address
t
t
AS
AH
t
CW
CS
t
AW
t
BW
LB, UB
WE
t
WP
t
t
DH
DW
Data valid
High Z
D
IN
t
t
CLZ
WZ
t
OW
D
Data undefined
OUT
High Z
5/25/01; v.1.2
Alliance Semiconductor
P. 5 of 9
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
